52561878 has 16 divisors (see below), whose sum is σ = 105255936. Its totient is φ = 17498600.

The previous prime is 52561853. The next prime is 52561879. The reversal of 52561878 is 87816525.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52561879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (6578496).

Almost surely, 2^52561878 is an apocalyptic number.

52561878 is an abundant number, since it is smaller than the sum of its proper divisors (52694058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52561878 is a wasteful number, since it uses less digits than its factorization.

52561878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019.

The product of its digits is 134400, while the sum is 42.

The square root of 52561878 is about 7249.9571033214. The cubic root of 52561878 is about 374.5906715855.

The spelling of 52561878 in words is "fifty-two million, five hundred sixty-one thousand, eight hundred seventy-eight".